Sodium Tripolyphosphate Price STPP 94% and 96%

• CAS No.: 7758-29-4
• Formula: Na5p3o10
• EINECS: 7758-29-4
• Model NO.: T2
• Certification: CIQ, ISO
• Purity: 94%
• Type: Sodium Tripolyphosphate
• Grade Standard: Industrial Grade
• Product Name: STPP 94%
• Na5p3o10 (%): 94%
• Grade: Tech Grade
• Appearance: Washing Powder
• Packing: 25kg/Bag
• Transport Package: 25kg/Bag
• Specification: 94%
• Origin: China
• Production Capacity: 50000

Product Description

1. Product description: 
  STPP is white powder, apparent density:0.35-0.90g/ml, melting point: 622°C, easily dissolving in water; water solution is alkaline(PH value of 1% solution is 9.7); can hydrolyze into phosphate in water, has good ability in complexing metal ions,; can be used to soften water; has some surfactant properties.
 

Item	Index
	Tech. Grade	Food Grade
Na5P3O10 (%):	94Min	95Min
P2O5 (%):	57Max	57Max
Insolubles in water (%):	0.15Max	0.05Max
Fe (%):	0.007Max	N
Ph (1% solution):	9.2-10	9.5-10
Heavy Metal (As Pb) (%):	N	0.001Max
Arsenic (As) (%):	N	0.0003Max
Fluoride(F) (%):	N	0.003Max
Whiteness(%):	90Min	90Min
Density (g/cm3)	0.35-0.9	0.35-0.9
type content (%)	10-30	10-30

For industrial grade: Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather
pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide,
calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyze, also used in
epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical
industry.